[PATCH 4/6] x86/efi: Free existing memory map before installing new memory map

From: Sai Praneeth efi_memmap_install(), unmaps the existing memory map and installs a new memory map but doesn't free the memory allocated to the existing memory map. Fortunately, the details about the existing memory map (like the physical address, number of entries and type of memory) are

[PATCH 4/6] x86/efi: Free existing memory map before installing new memory map

From: Sai Praneeth efi_memmap_install(), unmaps the existing memory map and installs a new memory map but doesn't free the memory allocated to the existing memory map. Fortunately, the details about the existing memory map (like the physical address, number of entries and type of memory) are